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For the Inventor, By the Inventor

Osaka, Japan

Toyo Aluminium Kabushiki Kaisha


USPTO Granted Patents = 114



Trademarks = 11

Forward Citations = 519

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197 inventors (with patents filed for the assignee):

goldMedal Yoshiki Hashizume (18 out of 22 patents)

silverMedal Takashi Watsuji (9 out of 13 patents)

bronzeMedal Takayuki Nakao (8 out of 8 patents)

4.  Zenya Ashitaka (8 out of 9 patents)

5.  Haruzo Katoh (8 out of 11 patents)

6.  Toshifumi Taira (7 out of 15 patents)

7.  Taro Morimitsu (7 out of 8 patents)

8.  Akira Shingu (6 out of 6 patents)

9.  Shunichi Setoguchi (6 out of 8 patents)

10.  Jun Kusui (6 out of 13 patents)

11.  Kazuya Fujimoto (5 out of 9 patents)

12.  Mitsunari Ooyagi (5 out of 5 patents)

13.  Masashi Mehata (5 out of 7 patents)

14.  Hidetoshi Inoue (5 out of 5 patents)

15.  Kunihiko Nakayama (5 out of 5 patents)


Core Competencies:
Aluminum Nitride
Electrode Material
Aluminum Alloy Foil
Conductive Paste
Flaky Metal Pigment
Solar Cell Module
Colored Metallic Pigment
Protective Sheet
Biochip Substrate
Metal-Coated Flake Glass
Antenna Circuit
Powder Coating Composition

114 patents:

1. 12509795 - Method for manufacturing aluminum nitride substrate, aluminum nitride substrate, and method for forming aluminum nitride layer (2025-12-30),
2. 12398038 - Manufacturing method of modified aluminum nitride raw material, modified aluminum nitride raw material, manufacturing method of aluminum nitride crystals, and downfall defect prevention method (2025-08-26),
3. 12325936 - Aluminum nitride substrate manufacturing method, aluminum nitride substrate, and method of removing strain layer introduced into aluminum nitride substrate by laser processing (2025-06-10),
4. 12281010 - Aluminum nitride-based powder and method for producing same (2025-04-21),
5. 12234559 - Electrode material for aluminum electrolytic capacitors and method for producing same (2025-02-25),
6. 12139777 - Aluminum alloy foil, laminate, method of producing aluminum alloy foil, and method of producing laminate (2024-11-12),
7. 12116486 - Coated pigment (2024-10-15),
8. 12022841 - Film for preserving edible meat (2024-07-02),
9. 12017264 - Aluminum foil for ultraviolet light reflecting materials and method for producing same (2024-06-25),
10. 12015091 - Conductive paste and method for producing TOPCon solar cell (2024-06-18),
11. 11851234 - Plastic container and method for producing same (2023-12-26),
12. 11827956 - Aluminum alloy foil, laminate, method of producing aluminum alloy foil, and method of producing laminate (2023-11-28),
13. 11811356 - Method for installing solar cell module (2023-11-07),
14. 11760885 - Aluminum flake pigment and method of producing same (2023-09-19),
15. 11446608 - Method for reducing HTO concentration in aqueous solution (2022-09-20),
Toyo Aluminium Kabushiki Kaisha is a Japanese company engaged in the manufacturing and distribution of aluminum products. They offer a wide range of high-quality aluminum products including sheet metals, extrusions, and foils. With a strong focus on innovation and customer satisfaction, Toyo Aluminium has established itself as a leading provider of aluminum solutions in various industries.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

114 Patents

#101 in Osaka

#1,011 in Japan

#6,741 in the World

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Osaka, Japan

Toyo Aluminium Kabushiki Kaisha

Forward Citations = 519

197 inventors:

goldMedal Yoshiki Hashizume (18 out of 22 patents)

silverMedal Takashi Watsuji (9 out of 13 patents)

bronzeMedal Takayuki Nakao (8 out of 8 patents)

4.  Zenya Ashitaka (8 out of 9 patents)

5.  Haruzo Katoh (8 out of 11 patents)

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